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We are seeking an experienced Network Engineer to support the hands-on implementation, troubleshooting and documentation of network segmentation across multiple manufacturing sites as part of an OT Transformation Program.

Key Responsibilities

- Implement and troubleshoot network segmentation, VLANs, routing and ACLs.
- Configure and troubleshoot Aruba switching infrastructure.
- Support Palo Alto firewall policy implementation and troubleshooting.
- Assist with migrations, cutovers, commissioning, upgrades and remediation activities.
- Diagnose network, connectivity and segmentation issues and perform root-cause analysis.
- Review network designs and provide practical implementation recommendations.
- Maintain network diagrams, configuration records and technical documentation.
- Support testing, handover and transition into operational support.
- Work with site teams, vendors, system integrators and technical stakeholders.
- Participate in change windows and occasional after-hours support.
- Travel to manufacturing and processing sites may be required.

Key Skills & Experience




- 5+ years’ experience as a Network Engineer.
- Solid routing, switching, VLANs, TCP/IP, DHCP, DNS, NTP, ACLs and L2/L3 networking.
- Hands-on Aruba switching experience.
- Experience with network implementation, migration, remediation or infrastructure upgrades.
- Experience with firewall policy implementation and troubleshooting.
- Strong network troubleshooting and analytical skills.
- Experience producing network documentation and diagrams.
- Experience with Visio or Lucidchart.

Desirable

- OT or industrial manufacturing networking experience.
- SCADA, PLC or industrial control systems experience.
- Stratix industrial switching experience.
- Network segmentation and security zoning experience.
- Palo Alto firewall experience.
- Understanding of the Purdue Model and OT cybersecurity principles.
- CCNA, CCNP, Aruba, Palo Alto or OT networking certifications.

If you are an experienced Network Engineer with strong implementation skills and an interest in OT environments, we would like to hear from you.

📌 Network Engineer (Sydney)
🏢 Data#3
📍 Sydney